155001214064 has 20 divisors (see below), whose sum is σ = 301383597120. Its totient is φ = 77224801920.

The previous prime is 155001214057. The next prime is 155001214073. The reversal of 155001214064 is 460412100551.

It is a super-2 number, since 2×155001214064² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17233184 + ... + 17242175.

It is an arithmetic number, because the mean of its divisors is an integer number (15069179856).

Almost surely, 2^155001214064 is an apocalyptic number.

It is an amenable number.

155001214064 is a deficient number, since it is larger than the sum of its proper divisors (146382383056).

155001214064 is a wasteful number, since it uses less digits than its factorization.

155001214064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34475648 (or 34475642 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 155001214064 in words is "one hundred fifty-five billion, one million, two hundred fourteen thousand, sixty-four".