1157513056490 has 32 divisors (see below), whose sum is σ = 2484698837760. Its totient is φ = 379606765824.

The previous prime is 1157513056489. The next prime is 1157513056493. The reversal of 1157513056490 is 946503157511.

It is a super-2 number, since 2×1157513056490² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1157513056493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359474495 + ... + 359477714.

It is an arithmetic number, because the mean of its divisors is an integer number (77646838680).

Almost surely, 2^{1157513056490} is an apocalyptic number.

1157513056490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1157513056490 is an abundant number, since it is smaller than the sum of its proper divisors (1327185781270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1157513056490 is a wasteful number, since it uses less digits than its factorization.

1157513056490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718952246.

The product of its (nonzero) digits is 567000, while the sum is 47.

The spelling of 1157513056490 in words is "one trillion, one hundred fifty-seven billion, five hundred thirteen million, fifty-six thousand, four hundred ninety".