151997513850 has 384 divisors, whose sum is σ = 542631936000. Its totient is φ = 30381454080.

The previous prime is 151997513839. The next prime is 151997513873. The reversal of 151997513850 is 58315799151.

It is a happy number.

151997513850 is a `hidden beast` number, since 1 + 5 + 199 + 75 + 1 + 385 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2301591 + ... + 2366709.

It is an arithmetic number, because the mean of its divisors is an integer number (1413104000).

Almost surely, 2^151997513850 is an apocalyptic number.

151997513850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 151997513850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271315968000).

151997513850 is an abundant number, since it is smaller than the sum of its proper divisors (390634422150).

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

151997513850 is a wasteful number, since it uses less digits than its factorization.

151997513850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65179 (or 65168 counting only the distinct ones).

The product of its (nonzero) digits is 1701000, while the sum is 54.

The spelling of 151997513850 in words is "one hundred fifty-one billion, nine hundred ninety-seven million, five hundred thirteen thousand, eight hundred fifty".