15152051778372 has 36 divisors (see below), whose sum is σ = 40316862920880. Its totient is φ = 4784858456112.

The previous prime is 15152051778371. The next prime is 15152051778401. The reversal of 15152051778372 is 27387715025151.

15152051778372 is a `hidden beast` number, since 1 + 5 + 1 + 5 + 20 + 517 + 78 + 37 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×15152051778372³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (15152051778371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11076060558 + ... + 11076061925.

Almost surely, 2^{15152051778372} is an apocalyptic number.

15152051778372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15152051778372 is an abundant number, since it is smaller than the sum of its proper divisors (25164811142508).

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

15152051778372 is a wasteful number, since it uses less digits than its factorization.

15152051778372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22152122512 (or 22152122507 counting only the distinct ones).

The product of its (nonzero) digits is 4116000, while the sum is 54.

The spelling of 15152051778372 in words is "fifteen trillion, one hundred fifty-two billion, fifty-one million, seven hundred seventy-eight thousand, three hundred seventy-two".