1147526444451 has 16 divisors (see below), whose sum is σ = 1535028790784. Its totient is φ = 762523105824.

The previous prime is 1147526444437. The next prime is 1147526444501. The reversal of 1147526444451 is 1544446257411.

It is not a de Polignac number, because 1147526444451 - 2³⁸ = 872648537507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1147526444451.

It is not an unprimeable number, because it can be changed into a prime (1147526444411) 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, 1776441 + ... + 2334693.

It is an arithmetic number, because the mean of its divisors is an integer number (95939299424).

Almost surely, 2^{1147526444451} is an apocalyptic number.

1147526444451 is a deficient number, since it is larger than the sum of its proper divisors (387502346333).

1147526444451 is a wasteful number, since it uses less digits than its factorization.

1147526444451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560490.

The product of its digits is 2150400, while the sum is 48.

The spelling of 1147526444451 in words is "one trillion, one hundred forty-seven billion, five hundred twenty-six million, four hundred forty-four thousand, four hundred fifty-one".