1157215294080 has 96 divisors (see below), whose sum is σ = 3996009082260. Its totient is φ = 308590743552.

The previous prime is 1157215294021. The next prime is 1157215294117. The reversal of 1157215294080 is 804925127511.

1157215294080 is a `hidden beast` number, since 1 + 1 + 5 + 7 + 2 + 1 + 529 + 40 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1155900216384 + 1315077696 = 1075128^2 + 36264^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100446957 + ... + 100458476.

Almost surely, 2^{1157215294080} is an apocalyptic number.

1157215294080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1157215294080 is an abundant number, since it is smaller than the sum of its proper divisors (2838793788180).

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

1157215294080 is a wasteful number, since it uses less digits than its factorization.

1157215294080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200905458 (or 200905443 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 1157215294080 in words is "one trillion, one hundred fifty-seven billion, two hundred fifteen million, two hundred ninety-four thousand, eighty".