155261457004 has 12 divisors (see below), whose sum is σ = 271738845000. Its totient is φ = 77621787008.

The previous prime is 155261456981. The next prime is 155261457023. The reversal of 155261457004 is 400754162551.

It is a super-2 number, since 2×155261457004² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2196229 + ... + 2265820.

It is an arithmetic number, because the mean of its divisors is an integer number (22644903750).

Almost surely, 2^155261457004 is an apocalyptic number.

It is an amenable number.

155261457004 is a deficient number, since it is larger than the sum of its proper divisors (116477387996).

155261457004 is a wasteful number, since it uses less digits than its factorization.

155261457004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470752 (or 4470750 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 155261457004 in words is "one hundred fifty-five billion, two hundred sixty-one million, four hundred fifty-seven thousand, four".