615412102042 has 16 divisors (see below), whose sum is σ = 929041511112. Its totient is φ = 305731782720.

The previous prime is 615412102033. The next prime is 615412102051. The reversal of 615412102042 is 240201214516.

It is an interprime number because it is at equal distance from previous prime (615412102033) and next prime (615412102051).

It can be written as a sum of positive squares in 4 ways, for example, as 606733502761 + 8678599281 = 778931^2 + 93159^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 615412102042.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10477468 + ... + 10536040.

Almost surely, 2^615412102042 is an apocalyptic number.

615412102042 is a deficient number, since it is larger than the sum of its proper divisors (313629409070).

615412102042 is a wasteful number, since it uses less digits than its factorization.

615412102042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92193.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 615412102042 its reverse (240201214516), we get a palindrome (855613316558).

The spelling of 615412102042 in words is "six hundred fifteen billion, four hundred twelve million, one hundred two thousand, forty-two".