1157289023700 has 54 divisors (see below), whose sum is σ = 3627458153774. Its totient is φ = 308610406080.

The previous prime is 1157289023641. The next prime is 1157289023707. The reversal of 1157289023700 is 73209827511.

1157289023700 is a `hidden beast` number, since 1 + 1 + 572 + 8 + 9 + 0 + 2 + 3 + 70 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 198491634576 + 958797389124 = 445524^2 + 979182^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157289023707) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 642937447 + ... + 642939246.

Almost surely, 2^{1157289023700} is an apocalyptic number.

1157289023700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1157289023700 is an abundant number, since it is smaller than the sum of its proper divisors (2470169130074).

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

1157289023700 is a wasteful number, since it uses less digits than its factorization.

1157289023700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285876713 (or 1285876703 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 1157289023700 in words is "one trillion, one hundred fifty-seven billion, two hundred eighty-nine million, twenty-three thousand, seven hundred".