615112023011 has 4 divisors (see below), whose sum is σ = 615113838000. Its totient is φ = 615110208024.

The previous prime is 615112022989. The next prime is 615112023061. The reversal of 615112023011 is 110320211516.

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

It is a cyclic number.

It is not a de Polignac number, because 615112023011 - 2¹⁰ = 615112021987 is a prime.

It is a super-2 number, since 2×615112023011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (615112023061) 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, 231071 + ... + 1132968.

It is an arithmetic number, because the mean of its divisors is an integer number (153778459500).

Almost surely, 2^615112023011 is an apocalyptic number.

615112023011 is a deficient number, since it is larger than the sum of its proper divisors (1814989).

615112023011 is a wasteful number, since it uses less digits than its factorization.

615112023011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814988.

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 615112023011 its reverse (110320211516), we get a palindrome (725432234527).

The spelling of 615112023011 in words is "six hundred fifteen billion, one hundred twelve million, twenty-three thousand, eleven".