1157644676451 has 64 divisors (see below), whose sum is σ = 1687766040576. Its totient is φ = 703852934400.

The previous prime is 1157644676423. The next prime is 1157644676527. The reversal of 1157644676451 is 1546764467511.

It is not a de Polignac number, because 1157644676451 - 2²² = 1157640482147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1157644676391 and 1157644676400.

It is not an unprimeable number, because it can be changed into a prime (1157644676411) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24047916 + ... + 24096006.

It is an arithmetic number, because the mean of its divisors is an integer number (26371344384).

Almost surely, 2^{1157644676451} is an apocalyptic number.

1157644676451 is a deficient number, since it is larger than the sum of its proper divisors (530121364125).

1157644676451 is a wasteful number, since it uses less digits than its factorization.

1157644676451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48352.

The product of its digits is 16934400, while the sum is 57.

The spelling of 1157644676451 in words is "one trillion, one hundred fifty-seven billion, six hundred forty-four million, six hundred seventy-six thousand, four hundred fifty-one".