11251777740 has 96 divisors (see below), whose sum is σ = 36362317824. Its totient is φ = 2546361600.

The previous prime is 11251777717. The next prime is 11251777759. The reversal of 11251777740 is 4777715211.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 11251777692 and 11251777701.

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, 90204 + ... + 175043.

It is an arithmetic number, because the mean of its divisors is an integer number (378774144).

Almost surely, 2^11251777740 is an apocalyptic number.

11251777740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11251777740 is an abundant number, since it is smaller than the sum of its proper divisors (25110540084).

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

11251777740 is a wasteful number, since it uses less digits than its factorization.

11251777740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265367 (or 265365 counting only the distinct ones).

The product of its (nonzero) digits is 96040, while the sum is 42.

The spelling of 11251777740 in words is "eleven billion, two hundred fifty-one million, seven hundred seventy-seven thousand, seven hundred forty".