61140002231562 has 64 divisors (see below), whose sum is σ = 127272642674688. Its totient is φ = 19558944720000.

The previous prime is 61140002231557. The next prime is 61140002231573. The reversal of 61140002231562 is 26513220004116.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54984862 + ... + 56085782.

It is an arithmetic number, because the mean of its divisors is an integer number (1988635041792).

Almost surely, 2^{61140002231562} is an apocalyptic number.

61140002231562 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

61140002231562 is an abundant number, since it is smaller than the sum of its proper divisors (66132640443126).

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

61140002231562 is a wasteful number, since it uses less digits than its factorization.

61140002231562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103435.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 61140002231562 its reverse (26513220004116), we get a palindrome (87653222235678).

The spelling of 61140002231562 in words is "sixty-one trillion, one hundred forty billion, two million, two hundred thirty-one thousand, five hundred sixty-two".