61535140354 has 16 divisors (see below), whose sum is σ = 92744064000. Its totient is φ = 30620767824.

The previous prime is 61535140351. The next prime is 61535140357. The reversal of 61535140354 is 45304153516.

61535140354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61535140351) and next prime (61535140357).

It is not an unprimeable number, because it can be changed into a prime (61535140351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314047 + ... + 470845.

It is an arithmetic number, because the mean of its divisors is an integer number (5796504000).

Almost surely, 2^61535140354 is an apocalyptic number.

61535140354 is a deficient number, since it is larger than the sum of its proper divisors (31208923646).

61535140354 is a wasteful number, since it uses less digits than its factorization.

61535140354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157737.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 61535140354 in words is "sixty-one billion, five hundred thirty-five million, one hundred forty thousand, three hundred fifty-four".