1157210298692 has 36 divisors (see below), whose sum is σ = 2355812803260. Its totient is φ = 495933951744.

The previous prime is 1157210298689. The next prime is 1157210298709. The reversal of 1157210298692 is 2968920127511.

It can be written as a sum of positive squares in 2 ways, for example, as 314368790596 + 842841508096 = 560686^2 + 918064^2 .

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, 11662184 + ... + 11760992.

It is an arithmetic number, because the mean of its divisors is an integer number (65439244535).

Almost surely, 2^{1157210298692} is an apocalyptic number.

It is an amenable number.

1157210298692 is an abundant number, since it is smaller than the sum of its proper divisors (1198602504568).

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

1157210298692 is a wasteful number, since it uses less digits than its factorization.

1157210298692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158580 (or 158571 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 53.

The spelling of 1157210298692 in words is "one trillion, one hundred fifty-seven billion, two hundred ten million, two hundred ninety-eight thousand, six hundred ninety-two".