2102615462541 has 64 divisors (see below), whose sum is σ = 3143828422656. Its totient is φ = 1239074289600.

The previous prime is 2102615462539. The next prime is 2102615462569. The reversal of 2102615462541 is 1452645162012.

It is not a de Polignac number, because 2102615462541 - 2¹ = 2102615462539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2102615462541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102615462341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 172863726 + ... + 172875888.

It is an arithmetic number, because the mean of its divisors is an integer number (49122319104).

Almost surely, 2^{2102615462541} is an apocalyptic number.

It is an amenable number.

2102615462541 is a deficient number, since it is larger than the sum of its proper divisors (1041212960115).

2102615462541 is a wasteful number, since it uses less digits than its factorization.

2102615462541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12942.

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 2102615462541 in words is "two trillion, one hundred two billion, six hundred fifteen million, four hundred sixty-two thousand, five hundred forty-one".