155551155010607 has 4 divisors (see below), whose sum is σ = 155551228542096. Its totient is φ = 155551081479120.

The previous prime is 155551155010591. The next prime is 155551155010631. The reversal of 155551155010607 is 706010551155551.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 155551155010607 - 2⁴ = 155551155010591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155551155010637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33495638 + ... + 37855779.

It is an arithmetic number, because the mean of its divisors is an integer number (38887807135524).

Almost surely, 2^{155551155010607} is an apocalyptic number.

155551155010607 is a deficient number, since it is larger than the sum of its proper divisors (73531489).

155551155010607 is an equidigital number, since it uses as much as digits as its factorization.

155551155010607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73531488.

The product of its (nonzero) digits is 656250, while the sum is 47.

The spelling of 155551155010607 in words is "one hundred fifty-five trillion, five hundred fifty-one billion, one hundred fifty-five million, ten thousand, six hundred seven".