10501551155 has 8 divisors (see below), whose sum is σ = 12655948032. Its totient is φ = 8365183168.

The previous prime is 10501551143. The next prime is 10501551157. The reversal of 10501551155 is 55115510501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10501551155 is a prime.

It is a super-2 number, since 2×10501551155² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10501551157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4505939 + ... + 4508268.

It is an arithmetic number, because the mean of its divisors is an integer number (1581993504).

Almost surely, 2^10501551155 is an apocalyptic number.

10501551155 is a deficient number, since it is larger than the sum of its proper divisors (2154396877).

10501551155 is an equidigital number, since it uses as much as digits as its factorization.

10501551155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9014445.

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

The spelling of 10501551155 in words is "ten billion, five hundred one million, five hundred fifty-one thousand, one hundred fifty-five".