155356222956 has 48 divisors (see below), whose sum is σ = 395503855488. Its totient is φ = 47071494400.

The previous prime is 155356222949. The next prime is 155356222963. The reversal of 155356222956 is 659222653551.

It is an interprime number because it is at equal distance from previous prime (155356222949) and next prime (155356222963).

It is a super-2 number, since 2×155356222956² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 155356222899 and 155356222908.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 993871 + ... + 1139513.

It is an arithmetic number, because the mean of its divisors is an integer number (8239663656).

Almost surely, 2^155356222956 is an apocalyptic number.

It is an amenable number.

155356222956 is an abundant number, since it is smaller than the sum of its proper divisors (240147632532).

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

155356222956 is a wasteful number, since it uses less digits than its factorization.

155356222956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153742 (or 153740 counting only the distinct ones).

The product of its digits is 4860000, while the sum is 51.

The spelling of 155356222956 in words is "one hundred fifty-five billion, three hundred fifty-six million, two hundred twenty-two thousand, nine hundred fifty-six".