2615402265431 has 4 divisors (see below), whose sum is σ = 2615406171000. Its totient is φ = 2615398359864.

The previous prime is 2615402265401. The next prime is 2615402265439. The reversal of 2615402265431 is 1345622045162.

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 2615402265431 - 2⁶ = 2615402265367 is a prime.

It is a super-2 number, since 2×2615402265431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2615402265439) 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, 665381 + ... + 2381918.

It is an arithmetic number, because the mean of its divisors is an integer number (653851542750).

Almost surely, 2^{2615402265431} is an apocalyptic number.

2615402265431 is a deficient number, since it is larger than the sum of its proper divisors (3905569).

2615402265431 is an equidigital number, since it uses as much as digits as its factorization.

2615402265431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905568.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 2615402265431 in words is "two trillion, six hundred fifteen billion, four hundred two million, two hundred sixty-five thousand, four hundred thirty-one".