61373763542154 has 64 divisors (see below), whose sum is σ = 147894431385600. Its totient is φ = 16586771018688.

The previous prime is 61373763542153. The next prime is 61373763542177. The reversal of 61373763542154 is 45124536737316.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 61373763542094 and 61373763542103.

It is not an unprimeable number, because it can be changed into a prime (61373763542153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58919149 + ... + 59951760.

It is an arithmetic number, because the mean of its divisors is an integer number (2310850490400).

Almost surely, 2^{61373763542154} is an apocalyptic number.

61373763542154 is an abundant number, since it is smaller than the sum of its proper divisors (86520667843446).

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

61373763542154 is a wasteful number, since it uses less digits than its factorization.

61373763542154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118871587.

The product of its digits is 38102400, while the sum is 57.

The spelling of 61373763542154 in words is "sixty-one trillion, three hundred seventy-three billion, seven hundred sixty-three million, five hundred forty-two thousand, one hundred fifty-four".