15034255421556 has 24 divisors (see below), whose sum is σ = 40091347791040. Its totient is φ = 4295501548992.

The previous prime is 15034255421513. The next prime is 15034255421561. The reversal of 15034255421556 is 65512455243051.

It is a super-2 number, since 2×15034255421556² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89489615521 + ... + 89489615688.

Almost surely, 2^{15034255421556} is an apocalyptic number.

It is an amenable number.

15034255421556 is an abundant number, since it is smaller than the sum of its proper divisors (25057092369484).

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

15034255421556 is a wasteful number, since it uses less digits than its factorization.

15034255421556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178979231223 (or 178979231221 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 48.

The spelling of 15034255421556 in words is "fifteen trillion, thirty-four billion, two hundred fifty-five million, four hundred twenty-one thousand, five hundred fifty-six".