2102615462542 has 32 divisors (see below), whose sum is σ = 3629104300800. Its totient is φ = 894978207168.

The previous prime is 2102615462539. The next prime is 2102615462569. The reversal of 2102615462542 is 2452645162012.

It is a junction number, because it is equal to n+sod(n) for n = 2102615462495 and 2102615462504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1508793 + ... + 2545915.

It is an arithmetic number, because the mean of its divisors is an integer number (113409509400).

Almost surely, 2^{2102615462542} is an apocalyptic number.

2102615462542 is a deficient number, since it is larger than the sum of its proper divisors (1526488838258).

2102615462542 is a wasteful number, since it uses less digits than its factorization.

2102615462542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038120.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 2102615462542 in words is "two trillion, one hundred two billion, six hundred fifteen million, four hundred sixty-two thousand, five hundred forty-two".