1051611004 has 12 divisors (see below), whose sum is σ = 1845535104. Its totient is φ = 524315264.

The previous prime is 1051610999. The next prime is 1051611017. The reversal of 1051611004 is 4001161501.

It is a super-2 number, since 2×1051611004² = 2211771407467776032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370972 + ... + 373795.

It is an arithmetic number, because the mean of its divisors is an integer number (153794592).

Almost surely, 2^1051611004 is an apocalyptic number.

It is an amenable number.

1051611004 is a deficient number, since it is larger than the sum of its proper divisors (793924100).

1051611004 is a wasteful number, since it uses less digits than its factorization.

1051611004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745124 (or 745122 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1051611004 is about 32428.5522957779. The cubic root of 1051611004 is about 1016.9159066195.

Adding to 1051611004 its reverse (4001161501), we get a palindrome (5052772505).

The spelling of 1051611004 in words is "one billion, fifty-one million, six hundred eleven thousand, four".