155156553101 has 8 divisors (see below), whose sum is σ = 175098304800. Its totient is φ = 136187569840.

The previous prime is 155156553091. The next prime is 155156553107. The reversal of 155156553101 is 101355651551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155156553101 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 (155156553107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243191771 + ... + 243192408.

It is an arithmetic number, because the mean of its divisors is an integer number (21887288100).

Almost surely, 2^155156553101 is an apocalyptic number.

155156553101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

155156553101 is a deficient number, since it is larger than the sum of its proper divisors (19941751699).

155156553101 is a wasteful number, since it uses less digits than its factorization.

155156553101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486384219.

The product of its (nonzero) digits is 56250, while the sum is 38.

The spelling of 155156553101 in words is "one hundred fifty-five billion, one hundred fifty-six million, five hundred fifty-three thousand, one hundred one".