616155505051 has 4 divisors (see below), whose sum is σ = 627781080672. Its totient is φ = 604529929432.

The previous prime is 616155504971. The next prime is 616155505081. The reversal of 616155505051 is 150505551616.

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 616155505051 - 2¹⁷ = 616155373979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 616155504995 and 616155505013.

It is not an unprimeable number, because it can be changed into a prime (616155505081) 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, 5812787731 + ... + 5812787836.

It is an arithmetic number, because the mean of its divisors is an integer number (156945270168).

Almost surely, 2^616155505051 is an apocalyptic number.

616155505051 is a deficient number, since it is larger than the sum of its proper divisors (11625575621).

616155505051 is a wasteful number, since it uses less digits than its factorization.

616155505051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11625575620.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 616155505051 in words is "six hundred sixteen billion, one hundred fifty-five million, five hundred five thousand, fifty-one".