615161510061 has 16 divisors (see below), whose sum is σ = 937498128000. Its totient is φ = 351479927808.

The previous prime is 615161510057. The next prime is 615161510063. The reversal of 615161510061 is 160015161516.

It is not a de Polignac number, because 615161510061 - 2² = 615161510057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (615161510063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1520536 + ... + 1882113.

It is an arithmetic number, because the mean of its divisors is an integer number (58593633000).

Almost surely, 2^615161510061 is an apocalyptic number.

It is an amenable number.

615161510061 is a deficient number, since it is larger than the sum of its proper divisors (322336617939).

615161510061 is a wasteful number, since it uses less digits than its factorization.

615161510061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411268.

The product of its (nonzero) digits is 5400, while the sum is 33.

Adding to 615161510061 its reverse (160015161516), we get a palindrome (775176671577).

The spelling of 615161510061 in words is "six hundred fifteen billion, one hundred sixty-one million, five hundred ten thousand, sixty-one".