61214618713554 has 16 divisors (see below), whose sum is σ = 136032486030240. Its totient is φ = 20404872904500.

The previous prime is 61214618713543. The next prime is 61214618713609. The reversal of 61214618713554 is 45531781641216.

61214618713554 is a `hidden beast` number, since 6 + 1 + 2 + 1 + 4 + 6 + 1 + 87 + 1 + 3 + 554 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1133604050251 = 61214618713554 / (6 + 1 + 2 + 1 + 4 + 6 + 1 + 8 + 7 + 1 + 3 + 5 + 5 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 61214618713554.

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, 566802025072 + ... + 566802025179.

It is an arithmetic number, because the mean of its divisors is an integer number (8502030376890).

Almost surely, 2^{61214618713554} is an apocalyptic number.

61214618713554 is an abundant number, since it is smaller than the sum of its proper divisors (74817867316686).

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

61214618713554 is a wasteful number, since it uses less digits than its factorization.

61214618713554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133604050262 (or 1133604050256 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 61214618713554 in words is "sixty-one trillion, two hundred fourteen billion, six hundred eighteen million, seven hundred thirteen thousand, five hundred fifty-four".