155250355664 has 10 divisors (see below), whose sum is σ = 300797564130. Its totient is φ = 77625177824.

The previous prime is 155250355661. The next prime is 155250355697. The reversal of 155250355664 is 466553052551.

It can be written as a sum of positive squares in only one way, i.e., 115844929600 + 39405426064 = 340360^2 + 198508^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155250355661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4851573599 + ... + 4851573630.

It is an arithmetic number, because the mean of its divisors is an integer number (30079756413).

Almost surely, 2^155250355664 is an apocalyptic number.

It is an amenable number.

155250355664 is a deficient number, since it is larger than the sum of its proper divisors (145547208466).

155250355664 is an equidigital number, since it uses as much as digits as its factorization.

155250355664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9703147237 (or 9703147231 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 47.

The spelling of 155250355664 in words is "one hundred fifty-five billion, two hundred fifty million, three hundred fifty-five thousand, six hundred sixty-four".