18852155037 has 6 divisors (see below), whose sum is σ = 27230890622. Its totient is φ = 12568103352.

The previous prime is 18852155033. The next prime is 18852155089. The reversal of 18852155037 is 73055125881.

18852155037 is a `hidden beast` number, since 1 + 88 + 52 + 15 + 503 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10123176996 + 8728978041 = 100614^2 + 93429^2 .

It is not a de Polignac number, because 18852155037 - 2² = 18852155033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18852154983 and 18852155001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18852155033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1047341938 + ... + 1047341955.

Almost surely, 2^18852155037 is an apocalyptic number.

It is an amenable number.

18852155037 is a deficient number, since it is larger than the sum of its proper divisors (8378735585).

18852155037 is a wasteful number, since it uses less digits than its factorization.

18852155037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094683899 (or 2094683896 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 45.

It can be divided in two parts, 18852 and 155037, that added together give a square (173889 = 417²).

The spelling of 18852155037 in words is "eighteen billion, eight hundred fifty-two million, one hundred fifty-five thousand, thirty-seven".