2615211621342 has 48 divisors (see below), whose sum is σ = 6055674264432. Its totient is φ = 812790700800.

The previous prime is 2615211621229. The next prime is 2615211621367. The reversal of 2615211621342 is 2431261125162.

2615211621342 is a `hidden beast` number, since 2 + 6 + 1 + 5 + 21 + 1 + 621 + 3 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2615211621297 and 2615211621306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39903909 + ... + 39969392.

It is an arithmetic number, because the mean of its divisors is an integer number (126159880509).

Almost surely, 2^{2615211621342} is an apocalyptic number.

2615211621342 is an abundant number, since it is smaller than the sum of its proper divisors (3440462643090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2615211621342 is a wasteful number, since it uses less digits than its factorization.

2615211621342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79873433 (or 79873430 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 2615211621342 in words is "two trillion, six hundred fifteen billion, two hundred eleven million, six hundred twenty-one thousand, three hundred forty-two".