151531969850 has 24 divisors (see below), whose sum is σ = 281881312608. Its totient is φ = 60605938800.

The previous prime is 151531969847. The next prime is 151531969873. The reversal of 151531969850 is 58969135151.

It is a junction number, because it is equal to n+sod(n) for n = 151531969792 and 151531969801.

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, 287867 + ... + 621233.

It is an arithmetic number, because the mean of its divisors is an integer number (11745054692).

Almost surely, 2^151531969850 is an apocalyptic number.

151531969850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151531969850 is a deficient number, since it is larger than the sum of its proper divisors (130349342758).

151531969850 is a wasteful number, since it uses less digits than its factorization.

151531969850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342470 (or 342465 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 53.

The spelling of 151531969850 in words is "one hundred fifty-one billion, five hundred thirty-one million, nine hundred sixty-nine thousand, eight hundred fifty".