615560151 has 4 divisors (see below), whose sum is σ = 820746872. Its totient is φ = 410373432.

The previous prime is 615560117. The next prime is 615560159. The reversal of 615560151 is 151065516.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 615560151 - 2¹⁴ = 615543767 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 (615560159) 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, 102593356 + ... + 102593361.

It is an arithmetic number, because the mean of its divisors is an integer number (205186718).

Almost surely, 2^615560151 is an apocalyptic number.

615560151 is a deficient number, since it is larger than the sum of its proper divisors (205186721).

615560151 is a wasteful number, since it uses less digits than its factorization.

615560151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205186720.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 615560151 is about 24810.4846990138. The cubic root of 615560151 is about 850.6616076183.

The spelling of 615560151 in words is "six hundred fifteen million, five hundred sixty thousand, one hundred fifty-one".