1161414612465 has 16 divisors (see below), whose sum is σ = 1858323148800. Its totient is φ = 619401203712.

The previous prime is 1161414612461. The next prime is 1161414612467. The reversal of 1161414612465 is 5642164141611.

It is a happy number.

It is not a de Polignac number, because 1161414612465 - 2² = 1161414612461 is a prime.

It is a super-2 number, since 2×1161414612465² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1161414612461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 757105 + ... + 1701774.

It is an arithmetic number, because the mean of its divisors is an integer number (116145196800).

Almost surely, 2^{1161414612465} is an apocalyptic number.

1161414612465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1161414612465 is a deficient number, since it is larger than the sum of its proper divisors (696908536335).

1161414612465 is a wasteful number, since it uses less digits than its factorization.

1161414612465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490376.

The product of its digits is 138240, while the sum is 42.

The spelling of 1161414612465 in words is "one trillion, one hundred sixty-one billion, four hundred fourteen million, six hundred twelve thousand, four hundred sixty-five".