615101600601 has 28 divisors (see below), whose sum is σ = 922297905060. Its totient is φ = 410037772320.

The previous prime is 615101600599. The next prime is 615101600621. The reversal of 615101600601 is 106006101516.

615101600601 is a `hidden beast` number, since 6 + 1 + 51 + 0 + 1 + 6 + 0 + 0 + 601 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 232405947225 + 382695653376 = 482085^2 + 618624^2 .

It is not a de Polignac number, because 615101600601 - 2¹ = 615101600599 is a prime.

It is a super-2 number, since 2×615101600601² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (615101600621) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 14930491 + ... + 14971631.

It is an arithmetic number, because the mean of its divisors is an integer number (32939210895).

Almost surely, 2^615101600601 is an apocalyptic number.

It is an amenable number.

615101600601 is a deficient number, since it is larger than the sum of its proper divisors (307196304459).

615101600601 is an equidigital number, since it uses as much as digits as its factorization.

615101600601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61668 (or 61653 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 615101600601 in words is "six hundred fifteen billion, one hundred one million, six hundred thousand, six hundred one".