1154828252457 has 48 divisors (see below), whose sum is σ = 1837892721600. Its totient is φ = 692944202880.

The previous prime is 1154828252453. The next prime is 1154828252477. The reversal of 1154828252457 is 7542528284511.

1154828252457 is a `hidden beast` number, since 1 + 1 + 5 + 48 + 28 + 2 + 524 + 57 = 666.

It is not a de Polignac number, because 1154828252457 - 2² = 1154828252453 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1154828252453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3915823 + ... + 4200395.

It is an arithmetic number, because the mean of its divisors is an integer number (38289431700).

Almost surely, 2^{1154828252457} is an apocalyptic number.

It is an amenable number.

1154828252457 is a deficient number, since it is larger than the sum of its proper divisors (683064469143).

1154828252457 is a wasteful number, since it uses less digits than its factorization.

1154828252457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284998 (or 284995 counting only the distinct ones).

The product of its digits is 7168000, while the sum is 54.

The spelling of 1154828252457 in words is "one trillion, one hundred fifty-four billion, eight hundred twenty-eight million, two hundred fifty-two thousand, four hundred fifty-seven".