15105651150550 has 12 divisors (see below), whose sum is σ = 28096511140116. Its totient is φ = 6042260460200.

The previous prime is 15105651150533. The next prime is 15105651150587. The reversal of 15105651150550 is 5505115650151.

It is a happy number.

It is a super-2 number, since 2×15105651150550² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151056511456 + ... + 151056511555.

It is an arithmetic number, because the mean of its divisors is an integer number (2341375928343).

Almost surely, 2^{15105651150550} is an apocalyptic number.

15105651150550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15105651150550 is a deficient number, since it is larger than the sum of its proper divisors (12990859989566).

15105651150550 is a wasteful number, since it uses less digits than its factorization.

15105651150550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302113023023 (or 302113023018 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 40.

The spelling of 15105651150550 in words is "fifteen trillion, one hundred five billion, six hundred fifty-one million, one hundred fifty thousand, five hundred fifty".