612708015061 has 4 divisors (see below), whose sum is σ = 620463812800. Its totient is φ = 604952217324.

The previous prime is 612708015053. The next prime is 612708015103. The reversal of 612708015061 is 160510807216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 612708015061 - 2³ = 612708015053 is a prime.

It is a super-2 number, since 2×612708015061² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 612708015061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612708015011) 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, 3877898751 + ... + 3877898908.

It is an arithmetic number, because the mean of its divisors is an integer number (155115953200).

Almost surely, 2^612708015061 is an apocalyptic number.

It is an amenable number.

612708015061 is a deficient number, since it is larger than the sum of its proper divisors (7755797739).

612708015061 is an equidigital number, since it uses as much as digits as its factorization.

612708015061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7755797738.

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 612708015061 in words is "six hundred twelve billion, seven hundred eight million, fifteen thousand, sixty-one".