15051255213551 has 16 divisors (see below), whose sum is σ = 15870727699200. Its totient is φ = 14234524243200.

The previous prime is 15051255213541. The next prime is 15051255213557. The reversal of 15051255213551 is 15531255215051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15051255213551 is a prime.

It is a super-2 number, since 2×15051255213551² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15051255213499 and 15051255213508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15051255213557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48040415 + ... + 48352703.

It is an arithmetic number, because the mean of its divisors is an integer number (991920481200).

Almost surely, 2^{15051255213551} is an apocalyptic number.

15051255213551 is a deficient number, since it is larger than the sum of its proper divisors (819472485649).

15051255213551 is a wasteful number, since it uses less digits than its factorization.

15051255213551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316670.

The product of its (nonzero) digits is 187500, while the sum is 41.

The spelling of 15051255213551 in words is "fifteen trillion, fifty-one billion, two hundred fifty-five million, two hundred thirteen thousand, five hundred fifty-one".