615050055109 has 12 divisors (see below), whose sum is σ = 715529437824. Its totient is φ = 527139305784.

The previous prime is 615050055107. The next prime is 615050055149. The reversal of 615050055109 is 901550050516.

It is a happy number.

It is not a de Polignac number, because 615050055109 - 2¹ = 615050055107 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 (615050055107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14572 + ... + 1109194.

It is an arithmetic number, because the mean of its divisors is an integer number (59627453152).

Almost surely, 2^615050055109 is an apocalyptic number.

It is an amenable number.

615050055109 is a deficient number, since it is larger than the sum of its proper divisors (100479382715).

615050055109 is a wasteful number, since it uses less digits than its factorization.

615050055109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106104 (or 1106097 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 37.

The spelling of 615050055109 in words is "six hundred fifteen billion, fifty million, fifty-five thousand, one hundred nine".