101050520155 has 32 divisors (see below), whose sum is σ = 135129072960. Its totient is φ = 72028669440.

The previous prime is 101050520147. The next prime is 101050520159. The reversal of 101050520155 is 551025050101.

It is not a de Polignac number, because 101050520155 - 2³ = 101050520147 is a prime.

It is a super-2 number, since 2×101050520155² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101050520159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11269704 + ... + 11278666.

It is an arithmetic number, because the mean of its divisors is an integer number (4222783530).

Almost surely, 2^101050520155 is an apocalyptic number.

101050520155 is a deficient number, since it is larger than the sum of its proper divisors (34078552805).

101050520155 is a wasteful number, since it uses less digits than its factorization.

101050520155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14991.

The product of its (nonzero) digits is 1250, while the sum is 25.

Adding to 101050520155 its reverse (551025050101), we get a palindrome (652075570256).

The spelling of 101050520155 in words is "one hundred one billion, fifty million, five hundred twenty thousand, one hundred fifty-five".