11102621454 has 16 divisors (see below), whose sum is σ = 24672492240. Its totient is φ = 3700873800.

The previous prime is 11102621353. The next prime is 11102621471. The reversal of 11102621454 is 45412620111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102801997 + ... + 102802104.

It is an arithmetic number, because the mean of its divisors is an integer number (1542030765).

Almost surely, 2^11102621454 is an apocalyptic number.

11102621454 is an abundant number, since it is smaller than the sum of its proper divisors (13569870786).

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

11102621454 is a wasteful number, since it uses less digits than its factorization.

11102621454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205604112 (or 205604106 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The spelling of 11102621454 in words is "eleven billion, one hundred two million, six hundred twenty-one thousand, four hundred fifty-four".