91103239799040 has 288 divisors, whose sum is σ = 334919118320640. Its totient is φ = 20673786765312.

The previous prime is 91103239799029. The next prime is 91103239799057. The reversal of 91103239799040 is 4099793230119.

It is a super-3 number, since 3×91103239799040³ (a number of 43 digits) contains 333 as substring.

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, 8455254 + ... + 15927893.

It is an arithmetic number, because the mean of its divisors is an integer number (1162913605280).

Almost surely, 2^{91103239799040} is an apocalyptic number.

It is an amenable number.

91103239799040 is an abundant number, since it is smaller than the sum of its proper divisors (243815878521600).

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

91103239799040 is a wasteful number, since it uses less digits than its factorization.

91103239799040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24383317 (or 24383303 counting only the distinct ones).

The product of its (nonzero) digits is 3306744, while the sum is 57.

The spelling of 91103239799040 in words is "ninety-one trillion, one hundred three billion, two hundred thirty-nine million, seven hundred ninety-nine thousand, forty".