1157620914458 has 16 divisors (see below), whose sum is σ = 1776366917160. Its totient is φ = 565644093696.

The previous prime is 1157620914451. The next prime is 1157620914493. The reversal of 1157620914458 is 8544190267511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1067715089809 + 89905824649 = 1033303^2 + 299843^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1157620914451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36355235 + ... + 36387062.

Almost surely, 2^{1157620914458} is an apocalyptic number.

1157620914458 is a deficient number, since it is larger than the sum of its proper divisors (618746002702).

1157620914458 is a wasteful number, since it uses less digits than its factorization.

1157620914458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72742481.

The product of its (nonzero) digits is 2419200, while the sum is 53.

The spelling of 1157620914458 in words is "one trillion, one hundred fifty-seven billion, six hundred twenty million, nine hundred fourteen thousand, four hundred fifty-eight".