118290551 has 6 divisors (see below), whose sum is σ = 119073600. Its totient is φ = 117512616.

The previous prime is 118290509. The next prime is 118290563. The reversal of 118290551 is 155092811.

It is not a de Polignac number, because 118290551 - 2¹⁰ = 118289527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118290581) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22250 + ... + 27048.

It is an arithmetic number, because the mean of its divisors is an integer number (19845600).

Almost surely, 2^118290551 is an apocalyptic number.

118290551 is a deficient number, since it is larger than the sum of its proper divisors (783049).

118290551 is an frugal number, since it uses more digits than its factorization.

118290551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113 (or 4956 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 32.

The square root of 118290551 is about 10876.1459626101. The cubic root of 118290551 is about 490.8890578567.

The spelling of 118290551 in words is "one hundred eighteen million, two hundred ninety thousand, five hundred fifty-one".