55150115015 has 16 divisors (see below), whose sum is σ = 67271980032. Its totient is φ = 43394238624.

The previous prime is 55150114991. The next prime is 55150115017. The reversal of 55150115015 is 51051105155.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55150115015 - 2³² = 50855147719 is a prime.

It is a super-3 number, since 3×55150115015³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55150115017) 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, 89522 + ... + 343968.

It is an arithmetic number, because the mean of its divisors is an integer number (4204498752).

Almost surely, 2^55150115015 is an apocalyptic number.

55150115015 is a deficient number, since it is larger than the sum of its proper divisors (12121865017).

55150115015 is a wasteful number, since it uses less digits than its factorization.

55150115015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255166.

The product of its (nonzero) digits is 3125, while the sum is 29.

The spelling of 55150115015 in words is "fifty-five billion, one hundred fifty million, one hundred fifteen thousand, fifteen".